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Expired Canadian patentCanada

Method and apparatus for on-line processing of transaction data

CA 2025748 C · Owner: Wataya, Hiroshi · Inventors: Hayashi, Keijiro; Sueki, Masao; Adachi, Yoshiaki

CIPO record

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Abstract From the Canadian patent

Transaction data are generated at one or more terminal units and are transmitted to a transaction management system which stacks such data until predetermined conditions occur. When the predetermined conditions occur the stacked transaction data are transmitted as a batch for processing. Confirmation of successful processing is then re-transmitted to the terminal units. The predetermined conditions for batch transfer may be expressed in terms of a maximum number of stacked transaction data or a maximum time of stacking or both. By transferring transaction data for processing as a batch, the processing time can be reduced. As with standard transaction processing, it is important that …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed September 19, 1990 and granted April 25, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 19, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 19, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 19, 1990
GrantedApril 25, 2000
Term endedSeptember 19, 2010
Patent numberCA 2025748 C
Classification (IPC)G06F17/30

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedSep 19, 1990Patent grantedApril 25, 2000Term endedSep 19, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.